CN219732380U - Friction damper with multi-order rigidity - Google Patents
Friction damper with multi-order rigidity Download PDFInfo
- Publication number
- CN219732380U CN219732380U CN202320807498.7U CN202320807498U CN219732380U CN 219732380 U CN219732380 U CN 219732380U CN 202320807498 U CN202320807498 U CN 202320807498U CN 219732380 U CN219732380 U CN 219732380U
- Authority
- CN
- China
- Prior art keywords
- friction
- friction plate
- plate
- mounting
- damper
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000017525 heat dissipation Effects 0.000 claims abstract description 14
- 238000003466 welding Methods 0.000 claims description 3
- 238000013016 damping Methods 0.000 abstract description 14
- 230000000694 effects Effects 0.000 abstract description 13
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 5
- 239000002184 metal Substances 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 238000009434 installation Methods 0.000 description 9
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
Landscapes
- Vibration Prevention Devices (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The utility model discloses a friction damper with multi-order rigidity, which comprises a first mounting plate and a second mounting plate, wherein a fixing frame is arranged on the surface of the first mounting plate, an inner friction plate is arranged in the fixing frame, and an outer friction plate is arranged on the surface of the second mounting plate. According to the utility model, the friction plate and the return spring are arranged in the sliding groove, the sliding groove can be used for limiting the friction plate, the return spring is matched, the friction plate can be kept at the middle position of the sliding groove as far as possible in the friction process with the inner friction plate and the outer friction plate, the contact area between the friction plate and the inner friction plate and between the friction plate and the outer friction plate can be increased, the damping effect is improved, the friction plate can be dispersed, the damping effect can be improved, and the heat dissipation during friction between the friction plate and the inner friction plate and between the friction plate and the outer friction plate can be accelerated by utilizing the heat dissipation holes, so that the service life of the friction plate can be prolonged, and metal fatigue of the inner friction plate and the outer friction plate can be prevented.
Description
Technical Field
The utility model relates to the technical field of dampers, in particular to a friction damper with multi-order rigidity.
Background
Development and research of energy-consuming damping dampers for building structures have become one of the hot spots of research in the world engineering earthquake-resistant field, the main structural members are protected by adding dampers in the structures to consume earthquake input energy, and the development and research have been widely proven to be an effective earthquake-resistant measure, and passive energy-consuming damping devices commonly used in building structural systems are mainly divided into four categories: viscous damper, metal damper, viscoelastic damper and friction type damper, wherein, friction type damper's theory of operation does: during earthquake, energy is consumed through mutual friction among materials, so that the aim of reducing structural damage is fulfilled.
Chinese patent No. cn202220488330.X discloses a friction damper comprising: a connecting structure, a first friction structure and a second friction structure; the connecting structure is used for being connected with the structure to be damped; the connecting structure can transmit vibration on the to-be-damped structure to the first friction structure and the second friction structure, so that the first friction structure and the second friction structure are mutually rubbed to generate damping force to damp the to-be-damped structure. The friction damper is characterized in that the friction energy consumption between the first friction structure and the second friction structure is used for generating damping force to work, so that the structure is simple, the volume can be effectively reduced, and the manufacturing cost is reduced. Although the friction damper has simple structure, can effectively reduce the volume and manufacturing, the following defects still exist in the using process: because the friction between the first friction structure and the second friction structure, the first friction structure and the second friction structure are in integral friction, a large amount of heat is easily generated in the friction process, the heat cannot be dissipated, friction fatigue is easily caused, friction effect is reduced, and therefore damping effect is reduced. Based on this, a friction damper with multi-step rigidity is proposed to solve the above problems.
Disclosure of Invention
The utility model mainly aims to provide a friction damper with multi-order rigidity, which can effectively solve the problems in the background technology.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides a friction damper with multistage rigidity, includes mounting panel and No. two mounting panels, the surface of mounting panel is provided with the mount, the inside of mount is provided with interior friction plate, the surface of No. two mounting panels is provided with outer friction plate, the spout has all been seted up to the surface of interior friction plate and outer friction plate, the inside of spout is provided with the friction disc, the surface coupling of friction disc has reset spring.
Preferably, the fixing frames are fixed with the first mounting plate through welding, the number of the fixing frames is six, every two fixing frames are in one group and are divided into three groups, fixing bolts are arranged in the fixing frames, and the fixing bolts penetrate through the fixing frames.
Preferably, the inner friction plate is movably clamped in the fixing frame, a threaded hole is formed in the surface of the inner friction plate, the end portion of the fixing bolt extends to the inside of the threaded hole, and the fixing bolt is in threaded connection with the threaded hole.
Preferably, the number of the outer friction plates is six, every two outer friction plates are divided into three groups, and the inner friction plates are clamped and embedded between the two outer friction plates.
Preferably, the surface of friction disc and the inner wall laminating of spout, sliding connection between friction disc and the spout, reset spring's quantity is a plurality of, reset spring is equidistant along the surface of friction disc, reset spring's one end is fixed on the surface of friction disc, and the other end is fixed on the inner wall of spout.
Preferably, the surface of each inner friction plate corresponds to four friction plates, and every two friction plates are in a group.
Preferably, the surface of the outer friction plate is provided with a heat dissipation hole, the heat dissipation hole penetrates through the outer friction plate, and the outer friction plate is communicated with the sliding groove.
Preferably, the surface of the first mounting plate and the surface of the second mounting plate are provided with mounting holes, and the mounting holes penetrate through the first mounting plate and the second mounting plate respectively.
Compared with the prior art, the utility model has the following beneficial effects:
according to the utility model, the sliding grooves are formed in the surfaces of the first mounting plate and the second mounting plate, the friction plates and the return springs are arranged in the sliding grooves, the friction plates can be limited by the sliding grooves, the return springs are matched, the friction plates can be kept at the middle positions of the sliding grooves as much as possible in the friction process with the inner friction plates and the outer friction plates, the contact area between the friction plates and the inner friction plates and the contact area between the friction plates and the outer friction plates can be increased, the damping effect can be improved, meanwhile, the friction plates are arranged in a dispersed manner, the friction force can be dispersed, the friction damping effect can be improved, and the heat dissipation during friction between the friction plates and the inner friction plates and the heat dissipation during friction between the friction plates can be accelerated by utilizing the heat dissipation holes, so that the service life of the friction plates can be prolonged, and metal fatigue of the inner friction plates and the outer friction plates can be prevented.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It will be apparent to those of ordinary skill in the art that the drawings in the following description are exemplary only and that other implementations can be obtained from the extensions of the drawings provided without inventive effort.
The structures, proportions, sizes, etc. shown in the present specification are shown only for the purposes of illustration and description, and are not intended to limit the scope of the utility model, which is defined by the claims, so that any structural modifications, changes in proportions, or adjustments of sizes, which do not affect the efficacy or the achievement of the present utility model, should fall within the ambit of the technical disclosure.
FIG. 1 is a schematic view of the overall structure of a friction damper with multi-stage stiffness according to the present utility model;
FIG. 2 is a top view of a friction damper having multiple stiffness stages according to the present utility model;
FIG. 3 is a cross-sectional top view of a friction damper having multi-stage stiffness according to the present utility model;
FIG. 4 is an assembly view of an inner friction plate in a friction damper having multi-stage stiffness according to the present utility model.
In the figure: 1. a first mounting plate; 2. a second mounting plate; 3. a mounting hole; 4. a fixing frame; 5. a fixing bolt; 6. an inner friction plate; 7. an outer friction plate; 8. a chute; 9. a friction plate; 10. a return spring; 11. a heat radiation hole; 12. and (3) a threaded hole.
Detailed Description
Other advantages and advantages of the present utility model will become apparent to those skilled in the art from the following detailed description, which, by way of illustration, is to be read in connection with certain specific embodiments, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in figures 1-4, the friction damper with multi-stage rigidity comprises a first mounting plate 1 and a second mounting plate 2, wherein the surfaces of the first mounting plate 1 and the second mounting plate 2 are respectively provided with mounting holes 3, the mounting holes 3 respectively penetrate through the first mounting plate 1 and the second mounting plate 2, the first mounting plate 1 and the second mounting plate 2 can be fixed on a wall surface by the mounting holes 3 and the mounting bolts, the surface of the first mounting plate 1 is provided with fixing frames 4, the fixing frames 4 and the first mounting plate 1 are fixed by welding, the connection strength between the fixing frames 4 and the first mounting plate 1 can be increased, the stability of the fixing frames 4 is ensured, the number of the fixing frames 4 is six, each two fixing frames 4 is divided into three groups, the inside of the fixing frames 4 is provided with inner friction plates 6, the surfaces of the inner friction plates 6 are provided with threaded holes 12, the inside at mount 4 is inlayed to interior friction plate 6 activity card, the inside of mount 4 is provided with fixing bolt 5, fixing bolt 5 runs through in mount 4, the tip of fixing bolt 5 extends to the inside of screw hole 12, threaded connection between fixing bolt 5 and the screw hole 12, through mount 4 cooperation fixing bolt 5 and screw hole 12, the convenience is dismantled or the installation to interior friction plate 6, the surface of No. two mounting panels 2 is provided with outer friction plate 7, the quantity of outer friction plate 7 is six, every two is a set of, divide into three groups, increase the quantity of interior friction plate 6 and outer friction plate 7, can let multiunit interior friction plate 6 and outer friction plate 7 and friction plate 9 effect simultaneously, improve friction damper's damping effect, interior friction plate 6 card inlays between two outer friction plates 7.
When the friction damper is installed, the installation bolts penetrate through the installation holes 3 by utilizing the installation holes 3 reserved on the surfaces of the first installation plate 1 and the second installation plate 2 and are fixed on the wall surface, so that the first installation plate 1 and the second installation plate are fixed, the outer friction plate 7 is fixed while the second installation plate 2 is fixed, then the inner friction plate 6 is clamped and embedded in the fixing frame 4 and the outer friction plate 7, and then the inner friction plate 6 is fixed by utilizing the fixing bolts 5.
The surfaces of the inner friction plate 6 and the outer friction plate 7 are provided with sliding grooves 8, friction plates 9 are arranged in the sliding grooves 8, the surfaces of the friction plates 9 are attached to the inner wall of the sliding grooves 8, the friction plates 9 are connected with the sliding grooves 8 in a sliding manner, the friction plates 9 can be limited by the sliding grooves 8, the surfaces of each inner friction plate 6 correspond to four friction plates 9, each two friction plates 9 are a group, the number of the friction plates 9 is increased, the friction plates 9 are more dispersed, friction force can be dispersed, the stress of the inner friction plate 6 and the outer friction plate 7 is more uniform, the friction damping effect can be improved, the surfaces of the friction plates 9 are connected with return springs 10, because the return springs 10 on two sides of the friction plates 9 are arranged into springs with the number of boxes and the elastic specification, when the friction plates 9 are stressed to displace in the sliding grooves 8, no matter the displacement is carried out towards two sides, the friction plate 9 is prevented from moving in the sliding groove 8 for a long distance by the traction force of the return springs 10 in opposite directions, so that the return springs 10 can keep the friction plate 9 at the middle position of the sliding groove 8 as much as possible in the process of friction with the inner friction plate 6 and the outer friction plate 7, the contact area between the friction plate 9 and the inner friction plate 6 and the contact area between the friction plate 7 are increased, the damping effect is improved, the number of the return springs 10 is a plurality of, the return springs 10 are arranged at equal intervals along the surface of the friction plate 9, the plurality of the return springs 10 simultaneously act, the elasticity of the return springs 10 can be improved, the stress of the friction plate 9 can be more balanced, one end of the return springs 10 is fixed on the surface of the friction plate 9, the other end of the return springs 10 is fixed on the inner wall of the sliding groove 8, the surface of the outer friction plate 7 is provided with the heat dissipation holes 11, the heat dissipation holes 11 penetrate through the outer friction plate 7, the outer friction plate 7 is communicated with the sliding groove 8, and the heat dissipation of the friction plate 9, the inner friction plate 6 and the outer friction plate 7 can be accelerated by utilizing the heat dissipation holes 11, so that the service life of the friction plate 9 can be prolonged, and the inner friction plate 6 and the outer friction plate 7 can be prevented from generating metal fatigue.
When the friction damper acts, no matter the wall corresponding to the first mounting plate 1 or the wall corresponding to the second mounting plate 2 shakes, the inner friction plate 6 slides along the inner part of the outer friction plate 7, and because the friction plate 9 is attached to the grooves on the surfaces of the inner friction plate 6 and the outer friction plate 7, when the inner friction plate 9 slides with the outer friction plate 9, the friction force generated by the friction plate 9 can be increased under the action of the friction plate 9, the friction force generated by the friction plate 9 can consume energy, thereby realizing the damping effect, and the friction force can be dispersed through a plurality of groups of friction plates 9, so that the friction force is prevented from being too concentrated, the damping effect can be improved, heat generated by friction can be timely dissipated through the cooperation of the heat dissipation holes 11, the inner friction plate 6, the outer friction plate 7 and the friction plate 9 are cooled, the inner friction plate 6, the outer friction plate 7 and the friction plate 9 are prevented from being tired, and the service life of the inner friction plate 6, the outer friction plate 7 and the friction plate 9 can be prolonged.
While the basic principles and main features of the present utility model have been described in detail in the foregoing general description and specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, such modifications or improvements may be made without departing from the spirit of the utility model and are intended to be within the scope of the utility model as claimed.
Claims (8)
1. The utility model provides a friction damper with multistage rigidity, includes mounting panel (1) and No. two mounting panel (2), its characterized in that: the surface of mounting panel (1) is provided with mount (4), the inside of mount (4) is provided with interior friction plate (6), the surface of No. two mounting panels (2) is provided with outer friction plate (7), spout (8) have all been seted up on the surface of interior friction plate (6) and outer friction plate (7), the inside of spout (8) is provided with friction disc (9), the surface connection of friction disc (9) has reset spring (10).
2. A friction damper having multi-stage stiffness according to claim 1, wherein: the fixing frames (4) are fixed with the first mounting plate (1) through welding, the number of the fixing frames (4) is six, every two fixing frames (4) are divided into three groups, fixing bolts (5) are arranged in the fixing frames (4), and the fixing bolts (5) penetrate through the fixing frames (4).
3. A friction damper having multi-stage stiffness according to claim 2, wherein: the inner friction plate (6) is movably clamped in the fixing frame (4), a threaded hole (12) is formed in the surface of the inner friction plate (6), the end portion of the fixing bolt (5) extends to the inside of the threaded hole (12), and the fixing bolt (5) is in threaded connection with the threaded hole (12).
4. A friction damper having multi-stage stiffness according to claim 1, wherein: the number of the outer friction plates (7) is six, every two of the outer friction plates are divided into three groups, and the inner friction plates (6) are clamped and embedded between the two outer friction plates (7).
5. A friction damper having multi-stage stiffness according to claim 1, wherein: the surface of friction disc (9) is laminated with the inner wall of spout (8), sliding connection between friction disc (9) and spout (8), the quantity of reset spring (10) is a plurality of, reset spring (10) are equidistant along the surface of friction disc (9) and are arranged, the one end of reset spring (10) is fixed on the surface of friction disc (9), and the other end is fixed on the inner wall of spout (8).
6. A friction damper having multi-stage stiffness according to claim 5, wherein: the surface of each inner friction plate (6) corresponds to four friction plates (9), and every two friction plates (9) are in a group.
7. A friction damper having multi-stage stiffness according to claim 5, wherein: the surface of the outer friction plate (7) is provided with a heat dissipation hole (11), the heat dissipation hole (11) penetrates through the outer friction plate (7), and the outer friction plate (7) is communicated with the sliding groove (8).
8. A friction damper having multi-stage stiffness according to claim 1, wherein: the surface of the first mounting plate (1) and the surface of the second mounting plate (2) are provided with mounting holes (3), and the mounting holes (3) respectively penetrate through the first mounting plate (1) and the second mounting plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320807498.7U CN219732380U (en) | 2023-04-12 | 2023-04-12 | Friction damper with multi-order rigidity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320807498.7U CN219732380U (en) | 2023-04-12 | 2023-04-12 | Friction damper with multi-order rigidity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219732380U true CN219732380U (en) | 2023-09-22 |
Family
ID=88063590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320807498.7U Active CN219732380U (en) | 2023-04-12 | 2023-04-12 | Friction damper with multi-order rigidity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219732380U (en) |
-
2023
- 2023-04-12 CN CN202320807498.7U patent/CN219732380U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100587182C (en) | Adjustable metal composite type low-yield point damper | |
| CN202380601U (en) | Variable-friction damper | |
| CN109653393B (en) | U-shaped steel plate energy consumption connecting piece | |
| CN211114191U (en) | Double-order friction damper | |
| CN110273956A (en) | A kind of torsional friction plate-type metal damper | |
| CN111305632B (en) | Three-dimensional vibration isolation device with sliding inclined spring | |
| CN106401003A (en) | Multi-working condition work mild steel energy dissipation machine | |
| CN110173060B (en) | Wooden sliding friction damper with variable damping force | |
| CN110725598A (en) | Friction compound type buckling restrained energy dissipation brace | |
| CN219732380U (en) | Friction damper with multi-order rigidity | |
| CN109653392B (en) | Column foot energy consumption damper | |
| CN113152730A (en) | Assembled composite energy dissipation shear wall | |
| CN207538244U (en) | A kind of single-hole steel plate energy consuming shock absorber for building | |
| CN211646815U (en) | Friction damper | |
| CN113026977A (en) | Multi-joint rotary friction damping device | |
| CN210976144U (en) | Fan-shaped friction energy dissipater | |
| CN1594908A (en) | Double-X type flexible steel damper | |
| CN101135182A (en) | Double X-type friction-yield steel energy dissipator | |
| CN215406706U (en) | Assembled composite energy dissipation shear wall | |
| CN217537393U (en) | Assembled metal damper | |
| CN210288751U (en) | Wooden sliding friction damper with variable damping force | |
| CN212957073U (en) | Guide type friction damper | |
| CN220035768U (en) | Multistage metal yield type damper | |
| CN109372141B (en) | Variable damping viscoelastic plate type damper | |
| CN210264111U (en) | Metal damper for improving seismic performance of building structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |